import arcpy
import ArcHydroTools
from arcpy import env
ws = env.worskpace = r"C:/Users/users/Documents/ArcGIS/Default.gdb"
input_name = "project"
output_name = "C:/Users/fractal/Documents/ArcGIS/Default.gdb/Fil"
ArcHydroTools.FillSinks(input_name, output_name, fill_threshold='10')